* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}
*:after,
*:before {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  user-select: none;
  line-height: 1;
  background: #f8fcff;
}
html {
  font-size: 20px;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body,
div,
menu,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
p {
  margin: 0;
  padding: 0;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
nav,
section {
  display: block;
}
a {
  text-decoration: none;
  color: #333;
}
a:active,
a:hover {
  text-decoration: none;
}
img {
  vertical-align: middle;
}
address,
code,
em,
strong,
th {
  font-style: normal;
  font-weight: normal;
}
ul,
ol {
  list-style-type: none;
}
button,
input[type="button"],
input[type="search"] {
  -webkit-appearance: none;
}
a,
input,
img,
select {
  outline: none;
}
input::-webkit-clear-button,
input::-webkit-inner-spin-button,
input::-webkit-outer-spin-button {
  -webkit-appearance: none;
}
.text-center {
  text-align: center;
}
.text-left {
  text-align: left !important;
}
.text-right {
  text-align: right;
}
.clearfix {
  *zoom: 1;
}
.clearfix:before,
.clearfix:after {
  display: table;
  content: '';
}
.clearfix:after {
  clear: both;
}
.clearfix .pull-left {
  float: left;
}
.clearfix .pull-right {
  float: right;
}
h1,
h2,
h3,
h4,
h5,
strong,
b {
  font-weight: normal;
}
.sc-blank {
  width: 1200px;
  margin: 0 auto;
  height: 100%;
}
html,
body {
  background: #f8fcff;
}
.si-blank {
  width: 1400px;
  height: 100%;
  margin: 0 auto;
}
.si-header {
  position: absolute;
  left: 0;
  top: 20px;
  z-index: 111;
  width: 100%;
  height: 58px;
  line-height: 58px;
}
.si-header .si-header__logo {
  width: 216px;
  height: 58px;
  background: url('../images/flogo.png') left center no-repeat;
  background-size: cover;
}
.si-header .si-header__control {
  padding-right: 72px;
}
.si-header .si-header__control a {
  font-size: 14px;
  color: #fff;
}
.si-menu {
  position: absolute;
  left: 0;
  top: 78px;
  width: 100%;
  z-index: 111;
}
.si-menu ul {
  text-align: center;
}
.si-menu .si-blank > ul {
  text-align: right;
}
.si-menu .si-blank > ul > li {
  position: relative;
  display: inline-block;
  vertical-align: middle;
}
.si-menu .si-blank > ul > li > a {
  display: block;
  padding: 0 17px;
  height: 44px;
  line-height: 44px;
  font-size: 18px;
  color: #fff;
  transition: all .3s;
}
.si-menu .si-blank > ul > li > a:hover,
.si-menu .si-blank > ul > li > a.active {
  background: #fff;
  color: #49a9de;
}
.si-menu .si-blank > ul > li ol {
  display: none;
  position: absolute;
  left: 0;
  top: 44px;
  background: #fff;
  padding: 14px 17px;
  width: 220px;
  text-align: left;
}
.si-menu .si-blank > ul > li ol.active {
  display: block;
}
.si-menu .si-blank > ul > li ol li {
  height: 34px;
  line-height: 34px;
}
.si-menu .si-blank > ul > li ol a {
  display: block;
  font-size: 16px;
}
.si-swiper {
  height: 883px;
  overflow: hidden;
}
.si-swiper .si-swiper__prev,
.si-swiper .si-swiper__next {
  position: absolute;
  top: 50%;
  z-index: 113;
  margin-top: -30px;
  width: 32px;
  height: 59px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.si-swiper .si-swiper__prev {
  left: 59px;
  background-image: url('../images/prev.png');
}
.si-swiper .si-swiper__next {
  right: 59px;
  background-image: url('../images/next.png');
}
.si-news {
  height: 890px;
  background: url('../images/news.png') left bottom no-repeat;
  background-size: cover;
}
.si-news img {
  display: block;
  box-shadow: 8px 9px 0 rgba(0, 0, 0, 0.2);
  width: 100%;
  height: 100%;
}
.si-news .si-news__pic {
  position: relative;
  z-index: 110;
  width: 1398px;
  height: 400px;
  background: url('../images/news-pic.png') center no-repeat;
  background-size: cover;
  margin: -90px auto 90px;
}
.si-news .si-news__pic-content {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 1049px;
  height: 183px;
}
.si-news .si-news__pic-item {
  float: left;
  width: 358px;
  height: 100%;
  margin-left: 1px;
  background: #fff;
  padding: 30px 55px;
}
.si-news .si-news__pic-item:first-child {
  width: 331px;
  margin-left: 0px;
  padding: 30px 40px;
}
.si-news .si-news__pic-item h2 {
  font-size: 18px;
  line-height: 24px;
  height: 100px;
}
.si-news .si-news__pic-item small {
  display: block;
  color: #333333;
  font-size: 12px;
}
.si-news .si-news__hot {
  position: absolute;
  top: 19px;
  left: 32px;
  width: 510px;
  height: 302px;
}
.si-news .si-news__normal {
  position: absolute;
  right: 0;
  top: 35px;
}
.si-news .si-news__normal img {
  float: left;
  width: 280px;
  height: 148px;
  margin: 0 45px 0 33px;
}
.si-news .si-news__more {
  margin: 53px auto 0;
  width: 190px;
  height: 54px;
  line-height: 52px;
  border: 1px solid #fff;
  font-size: 14px;
  color: #fff;
  text-align: center;
}
.si-news .si-news__list h2 {
  position: relative;
  width: 338px;
  height: 34px;
  text-align: center;
  font-size: 34px;
  margin: 0 auto 40px;
  color: #fff;
}
.si-news .si-news__list h2:after,
.si-news .si-news__list h2:before {
  content: '';
  position: absolute;
  width: 58px;
  height: 1px;
  background: #fff;
  top: 50%;
}
.si-news .si-news__list h2:after {
  left: 0;
}
.si-news .si-news__list h2:before {
  right: 0;
}
.si-news .si-news__list-content {
  height: 120px;
  overflow: hidden;
}
.si-news .si-news__list-item {
  float: left;
  width: 460px;
  margin-left: 10px;
  color: #fff;
  border-left: 1px solid #fff;
}
.si-news .si-news__list-item:first-child {
  margin-left: 0;
  border-left-color: transparent;
}
.si-news .si-news__list-item > span {
  float: left;
  width: 110px;
  text-align: center;
}
.si-news .si-news__list-item > span em,
.si-news .si-news__list-item > span small {
  display: block;
}
.si-news .si-news__list-item > span em {
  font-size: 32px;
  padding: 6px 0 12px;
}
.si-news .si-news__list-item > span small {
  font-size: 12px;
}
.si-news .si-news__list-item > .content {
  float: right;
  width: 340px;
  padding-right: 30px;
}
.si-news .si-news__list-item > .content h3 {
  font-size: 17px;
  line-height: 1.4;
  max-height: 65px;
}
.si-news .si-news__list-item > .content p {
  font-size: 12px;
  line-height: 1.4;
  margin-top: 10px;
}
.si-science {
  height: 905px;
}
.si-science .si-blank {
  position: relative;
  padding: 81px 0 0 152px;
}
.si-science .si-blank > h2 {
  position: absolute;
  width: 100px;
  padding: 143px 30px 0;
  font-size: 38px;
  color: #49a9de;
}
.si-science .si-science__hot {
  position: relative;
}
.si-science .si-science__hot-content {
  position: relative;
  z-index: 110;
  width: 740px;
  height: 226px;
  margin-top: -80px;
  background: #fff;
  padding: 50px 35px;
}
.si-science .si-science__hot-content > span {
  display: block;
  width: 90px;
  height: 36px;
  line-height: 36px;
  text-align: center;
  font-size: 14px;
  color: #fff;
  background: #49a9de;
}
.si-science .si-science__hot-content h2 {
  height: 54px;
  line-height: 54px;
  font-size: 22px;
}
.si-science .si-science__hot-content p {
  font-size: 12px;
  line-height: 1.6;
}
.si-science .si-science__normal {
  position: absolute;
  right: 0;
  top: 191px;
  width: 462px;
}
.si-science .si-science__normal-content {
  position: relative;
  z-index: 111;
  width: 417px;
  height: 90px;
  background: #fff;
  margin-top: -42px;
  padding: 0 40px;
}
.si-science .si-science__normal-content span {
  position: relative;
  top: -14px;
  display: block;
  width: 90px;
  height: 36px;
  line-height: 36px;
  text-align: center;
  font-size: 14px;
  color: #fff;
  background: #49a9de;
}
.si-science .si-science__normal-content h2 {
  font-size: 18px;
  padding-top: 10px;
}
.si-footer {
  height: 593px;
  color: #fff;
  background: #cccccc url('../images/footer.png') center no-repeat;
  background-size: cover;
}
.si-footer__teach {
  padding-top: 84px;
  padding-bottom: 146px;
}
.si-footer__teach-item {
  float: left;
  position: relative;
  width: 317px;
  height: 192px;
  margin-right: 49px;
}
.si-footer__teach-item img {
  width: 100%;
  height: 100%;
}
.si-footer__teach-item span {
  position: absolute;
  left: 0;
  bottom: 31px;
  width: 140px;
  height: 52px;
  line-height: 52px;
  padding-left: 21px;
  font-size: 18px;
  color: #fff;
  background: #49a9de;
}
.si-footer__teach-info {
  position: relative;
  width: 302px;
  padding-left: 42px;
}
.si-footer__teach-info:after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 161px;
  background: #fff;
}
.si-footer__teach-info h2 {
  font-size: 20px;
  margin-bottom: 35px;
}
.si-footer__teach-info ul {
  font-size: 0;
}
.si-footer__teach-info ul li {
  margin-bottom: 20px;
  display: inline-block;
  vertical-align: middle;
  width: 50%;
}
.si-footer__teach-info ul a {
  color: #fff;
  font-size: 14px;
}
.si-footer__info {
  height: 96px;
  background: url('../images/flogo.png') left top no-repeat;
  padding-left: 276px;
  padding-top: 18px;
  font-size: 14px;
}
.si-footer__info-tel {
  background: url('../images/icon-tel.png') left center no-repeat;
  padding-left: 18px;
  margin-bottom: 9px;
}
.si-footer__info-location {
  background: url('../images/icon-location.png') left center no-repeat;
  padding-left: 18px;
}
.si-footer__copyright {
  height: 74px;
  padding-top: 25px;
  color: #fff;
  font-size: 14px;
  border-top: 1px solid #fff;
}
.sc-header {
  height: 112px;
}
.sc-header__logo {
  float: left;
  width: 280px;
  height: 75px;
  margin: 18px 0 0 13px;
  background: url('../images/a-logo.png') left center no-repeat;
  background-size: cover;
}
.sc-menu {
  height: 68px;
  padding-top: 30px;
}
.sc-menu ul {
  text-align: left;
  width: 1200px;
  margin: 0 auto;
}
.sc-menu li {
  display: inline-block;
  vertical-align: middle;
}
.sc-menu a {
  display: block;
  font-size: 18px;
  padding: 0 17px;
  text-align: center;
  transition: all .3s;
}
.sc-menu a:hover,
.sc-menu a.active {
  color: #3782ac;
}
.sc-adsense {
  height: 180px;
  background: #ccc;
}
.sc-adsense img {
  display: block;
  width: 100%;
  height: 100%;
}
.sc-aside {
  position: relative;
  z-index: 111;
  width: 248px;
  margin-top: -43px;
  background: #49a9de;
  padding-left: 13px;
}
.sc-aside h2 {
  padding-left: 23px;
  padding-top: 4px;
  height: 80px;
  line-height: 76px;
  color: #fff;
  font-size: 24px;
}
.sc-aside ul {
  padding-top: 24px;
  background: #fff;
  border-bottom: 1px solid #e6e6e6;
}
.sc-aside li {
  position: relative;
  height: 59px;
  line-height: 59px;
  padding-left: 23px;
  background: #fff;
  border-top: 1px solid #e6e6e6;
  cursor: pointer;
}
.sc-aside li:after {
  content: '';
  position: absolute;
  top: 0px;
  left: -4px;
  width: 4px;
  height: 59px;
  background: #49a9de;
  transition: all .3s;
}
.sc-aside li a {
  font-size: 18px;
  color: #000;
}
.sc-aside li:hover a,
.sc-aside li.active a {
  color: #49a9de;
}
.sc-aside li:hover:after,
.sc-aside li.active:after {
  background-color: #3782ac;
}
.sc-article {
  width: 918px;
}
.sc-article__title {
  height: 73px;
  line-height: 72px;
  border-bottom: 1px solid #e6e6e6;
  color: #49a9de;
}
.sc-article__title h2 {
  font-size: 32px;
}
.sc-article__content {
  padding: 30px 0;
  font-size: 14px;
  line-height: 26px;
  color: #333;
}
.sc-article__content p {
  margin-bottom: 30px;
}
.sc-breadcrumb {
  padding: 24px 0 10px;
  color: #666;
  overflow: hidden;
  font-size: 0;
}
.sc-breadcrumb li {
  position: relative;
  display: inline-block;
  vertical-align: middle;
  padding-right: 12px;
}
.sc-breadcrumb li a {
  color: #666;
  font-size: 12px;
}
.sc-breadcrumb li:after {
  content: '';
  position: absolute;
  top: 50%;
  left: -8px;
  margin-top: -1px;
  width: 2px;
  height: 2px;
  background: #ccc;
}
.sc-breadcrumb li:last-child a {
  color: #49a9de;
}
.sc-footer {
  height: 318px;
  background: #e6e6e6;
  padding: 35px 10px 0;
  font-size: 0;
  text-align: center;
}
.sc-footer dl {
  display: inline-block;
  vertical-align: top;
  text-align: center;
  padding: 0 42px;
}
.sc-footer dt {
  color: #333;
  margin-bottom: 20px;
}
.sc-footer dt h2 {
  font-size: 16px;
}
.sc-footer dd a {
  display: block;
  margin-bottom: 15px;
  font-size: 14px;
  color: #999;
}
.sc-copyright {
  height: 96px;
  background: #49a9de;
  font-size: 14px;
  color: #fff;
  padding: 28px 10px 0;
}
.sc-copyright__code {
  margin-top: 13px;
}
